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12/17- Final Review Day 2

Total questions: 60

Worksheet time: 30mins

Name
Class
Date
1.
Which of the following is NOT part of the R's of waste management
a)
Reduce
b)
Remove
c)
Reuse
d)
Recycle
2.
The main types of biodiversity are (choose 3)
a)
Ecosystem diversity
b)
Ecological diversity
c)
Species diversity
d)
Genetic diversity
3.
An organisms that supports several organisms in an ecosystem is a-
a)
Capital organism
b)
Sustaining organism
c)
Keystone organism
d)
Stable organism
4.
A student builds a series and a parallel circuit. Both circuits contain one battery(of equal voltage) , and two light bulbs. In which circuit should the lightbulbs shine brighter
a)
series
b)
parallel
c)
both will be the same
5.
Batteries, provide ______________________ which is the pressure force that gives electrons the potential energy to move through a circuit
a)
Voltage
b)
Power
c)
Current
d)
Resistance
6.
Electrical current measures...
a)
The rate at which charge (electrons) flow or move in an electrical circuit
b)
The pressure/ energy that pushes electrons through an electrical circuit
c)
The opposition a material offers to the flow of electric current
d)
None of the above
7.
In an electrical circuit, if the voltage is constant and the resistance is increased. The electrical current will
a)
increase
b)
decrease
c)
not change
8.
Electrical current is measured in....
a)
amperes
b)
volts
c)
ohms
d)
newtons
9.
Electrical resistance is measured in...
a)
ohms
b)
amperes
c)
volts
d)
newtons
10.
Magnetic fields and electric fields are identical in that they both–
a)
require a medium to travel from place to place.
b)
influence non-metals the same as metals.
c)
are capable of exerting force at a distance.
d)
increase in strength with distance from source.
11.
The voltage supplied to a circuit is 20 V and the current running through is 10 A. What is the power generated?
a)
200 watts
b)
170 watts
c)
2 watts
d)
200 amps
e)
20 watts
12.
A 15 amp load is running on a 100v supply What power will it draw?
a)
1,500 watts
b)
150 watts
c)
6.6 watts
d)
150 wats
e)
150 amps
13.
What will the magnets in the picture do?
a)
Attract each other
b)
Repel each other
c)
Attract and repel each other
d)
Neither attract nor repel
14.
The voltmeter is at 0 in this image. How would you manipulate the experiment to create electricity (measured in volts)?
a)
Turn the magnet so the "N" side faces out
b)
Remove the magnet
c)
Move the magnet back and fourth
d)
Add more coils to the cylinder
15.
What is one of the advantages of electromagnets?
a)
They can be switched on or off
b)
They are usually very small
c)
They work during power outages
d)
They can have up to three poles
16.
The unit of electrical power is the....
a)
watt
b)
volt
c)
amp
d)
ohm
e)
newton
17.
Which of the following is NOT a valid expression of Ohm's law
a)
I=V/R
b)
R=V/I
c)
V=IxR
d)
V=I/R
18.
Read the question and view the diagram below
a)
a
b)
B
c)
C
d)
D
19.
In the image shown, the magnet is inserted into the loop of wire "North pole first" What would happen if the direction of the magnet were changed? (the south pole entered the loop first?)
a)
There would be more voltage
b)
There would be the same amount of voltage, but in the opposite direction
c)
There would be no voltage
20.
Which of the following will result in the most induced voltage?
a)
A
b)
B
c)
C
d)
D
21.
Which of the following show parallel circuits
a)
Option 1
b)
Option 2
c)
Option 3
d)
Option 4
22.
Solar, hydroelectric, geothermal and wind are all examples of-
a)
renewable energy
b)
nonrenewable energy
c)
mineral energy
d)
fossil fuel dependency
23.
Burning fossil fuels is an example of....
a)
renewable energy
b)
nonrenewable energy
c)
sustainability
d)
green energy
24.
The PE of a magnet in the presence of another magnet is related to-
a)
Only how close the magnets are together
b)
Only the direction in which the poles point
c)
How close the magnets are together and how fast they are moving
d)
How close the magnets are together and which direction the poles point
25.
Choose the position of the skater that best matches the provided description - All of the energy is potential, none is kinetic
a)
Option 1
b)
Option 2
c)
Option 3
26.
Choose the position of the skater that best matches the provided description -Half of the energy is potential, half is kinetic
a)
Option 1
b)
Option 2
c)
Option 3
27.
Choose the position of the skater that best matches the provided description -The skater has come to a complete stop, all energy has been converted to thermal energy
a)
Option 1
b)
Option 2
c)
Option 3
28.
If the thermal energy of a substance increases, its temperature will _________________
a)
Increase
b)
Decrease
c)
Stay the same
29.
Adding thermal energy to a substance has what effect on the energy of the particle within the substance
a)
Increases both kinetic and potential energy
b)
Decreases both kinetic and potential energy
c)
Increases kinetic energy, decreases potential energy
d)
Decreases kinetic energy, increases potential energy
30.
The picture shows the swinging of a pendulum. What is the PE of the pendulum at the "end" of its swing (the image to the right) -Energy is conserved
a)
10 J
b)
0 J
c)
5 J
d)
7 J
e)
1 J
31.
A glider is flying through the air, it has 0.8 joules of potential energy. If the speed is doubled, and the height is doubled- the new potential energy is...
a)
1.6 joules
b)
0.2 joules
c)
0.4 joules
d)
3.2 joules
e)
0 joules
32.
Which would ALWAYS be true of an object possessing a kinetic energy of 0 joules
a)
It is on the ground
b)
It is moving
c)
It is above the ground
d)
It is accelerating
e)
It is not moving
33.
The total mechanical energy of an object is the _________
a)
Kinetic energy minus the potential energy of the object
b)
The initial kinetic energy plus the initial energy of the object
c)
Kinetic energy plus the potential energy of the object at any instant during it's motion
d)
Final amount of kinetic energy and potential energy minus the initial amount of kinetic and potential energy
34.
Which would always be true of an possessing a potential energy of 0 joules
a)
It is on the ground
b)
It is moving
c)
It is above the ground
d)
It is at rest
35.
Ball A and ball B have the same mass If ball B is traveling at double the velocity of A, then ball B has the __________ of ball A
a)
same KE
b)
half the KE
c)
four times the KE
d)
1/8 the KE
36.
Two trucks have the same velocity but different masses. Truck #1 has a mass of 200kg and Truck #2 has a mass of 500 kg. Which Truck will have the greatest kinetic energy?
a)
Truck 1
b)
Truck 2
c)
They have the same kinetic energy
d)
No way of determining the answer from this information
37.
What is energy?
a)
The ability to cause motion or to allow something to move
b)
A push or pull on an object
c)
A measurement of mass or weight
d)
The product of mass and velocity
38.
Mechanical Energy is....
a)
The sum of the potential and kinetic energy of an item
b)
All of the thermal energy contained in an item
c)
An accounting for of all the energy that an item has/ will lose
d)
The difference between kinetic and potential energy
39.
Gravitational potential energy is related to-
a)
what an object is made of
b)
an objects motion
c)
an objects position
d)
an objects color
40.
In the image, the generator converts _______________ energy to ________________ energy
a)
Mechanical, Electrical
b)
Light, Electrical
c)
Thermal, Electrical
d)
Nuclear, Thermal
e)
None of the above
41.
A roller coaster car starts from rest at point A and proceeds down the track, at what point on the track does the car have the greatest potential energy
a)
A
b)
B
c)
C
d)
D
e)
E
42.
A roller coaster car starts from rest at point A and proceeds down the track, at what point on the track does the car have the greatest kinetic energy
a)
B
b)
A
c)
C
d)
D
e)
E
43.
Which of the following is not a type of potential energy?
a)
kinetic
b)
chemical
c)
gravitational
44.
When no _______________ forces act on a system, the momentum of the system will __________
a)
external, remain the same
b)
internal, remain the same
c)
external, decrease
45.

What is the main difference between renewable and non-renewable energy sources?

a)

Renewable can be used forever, non-renewable cannot

b)

Non-renewable can be used forever, renewable cannot

c)

Renewable is only solar energy, non-renewable includes all other forms

d)

There is no difference

46.
What is Resistance?
a)
The flow of electrons
b)
Electric potential difference
c)
A battery
d)
The ability to reduce the flow of electrons
47.
How can the strength of an electromagnet be increased?
a)
by rubbing it with a stronger magnet
b)
by increasing the coils of wire around the iron
c)
by increasing the length of the wire from the battery
d)
by loosening the coil of wire around the iron
48.

If a pendulum is at its highest point, what type of energy is at its maximum?

a)

Kinetic energy

b)

Potential energy

c)

Thermal energy

d)

Electrical energy

49.

Which of the following is an example of kinetic energy?

a)

A charged battery

b)

A rock at the edge of a cliff

c)

A compressed spring

d)

A moving car

50.

What happens to the potential energy of an object as it is lifted higher above the ground?

a)

It remains the same

b)

It decreases

c)

It converts to kinetic energy

d)

It increases

51.

Which of the following is a characteristic of non-renewable energy sources?

a)

They are primarily derived from solar energy

b)

They are always environmentally friendly

c)

They are finite and will eventually deplete

d)

They can be replenished naturally over short periods

52.

What is the effect of increasing the resistance in an electrical circuit?

a)

It increases the current

b)

It increases the voltage

c)

It decreases the current

d)

It has no effect on the current

53.

Which of the following best describes kinetic energy?

a)

Energy stored due to an object's position

b)

Energy due to an object's motion

c)

Energy that is lost as heat

d)

Energy that is stored in chemical bonds

54.

What happens to the kinetic energy of an object as its speed doubles?

a)

It quadruples

b)

It doubles

c)

It halves

d)

It remains the same

55.

Which of the following is a characteristic of renewable energy sources?

a)

They can be replenished naturally over short periods

b)

They are primarily derived from fossil fuels

c)

They are finite and will eventually deplete

d)

They are always environmentally harmful

56.

Which of the following best describes potential energy?

a)

Energy that is lost as heat

b)

Energy stored due to an object's position

c)

Energy that is stored in chemical bonds

d)

Energy due to an object's motion

57.

What happens to the potential energy of an object as its height is halved?

a)

It quadruples

b)

It doubles

c)

It halves

d)

It remains the same

58.

When a pendulum is at its lowest point, what type of energy is at its maximum?

a)

Electrical energy

b)

Thermal energy

c)

Potential energy

d)

Kinetic energy

59.

If the resistance in a circuit is halved while the voltage remains constant, what happens to the current?

a)

It becomes zero

b)

It remains the same

c)

It halves

d)

It doubles

60.

If a magnet is moved quickly through a coil of wire, what is the effect on the induced current?

a)

The induced current decreases

b)

The induced current increases

c)

The induced current remains the same

d)

No current is induced